Inventor · disambiguated record
Jean-Francois Helard
Also filed as: HELARD JEAN-FRANCOIS
11 granted patents·1 pending application·720 citations·filing 1991–2016
92Inventor score
Files withFRANCE TELECOM4CENTRE NAT RECH SCIENT1ETAT FRANCAIS AND TELEDIFFUSIO1ETAT FRANCAIS TELEDIFFUSION DE1FRANCE ETAT1
Top patents by PatentIndex Score
12 records- 0194US5197061ADevice for the transmission of digital data with at least two levels of protection and corresponding reception deviceFRANCE ETAT·Filed 1991·Granted Mar 23, 1993·339 cites·14 claims
- 0283US5274629AMethod for the broadcasting of digital data, notably for radio broadcasting at high bit rate towards mobile receivers, with time-frequency interlacing and coherent demodulationETAT FRANCAIS AND TELEDIFFUSIO·Filed 1991·Granted Dec 28, 1993·160 cites·6 claims
- 0374US8804861B2Peak-to-average power ratio reduction in a multicarrier signalHELARD JEAN-FRANCOIS·Filed 2010·Granted Aug 12, 2014·12 cites·21 claims
- 0473US7725091B2Method and device for transmitting a signal in a multi-antenna system, signal, and method for estimating the corresponding transmission channelsFRANCE TELECOM·Filed 2005·Granted May 25, 2010·6 cites·9 claims
- 0572US7023265B1Equalizing method in receivers using a combination of multiple carrier and code division multiple access modulating techniquesTELEDIFFUSION FSE·Filed 2000·Granted Apr 4, 2006·27 cites·20 claims
- 0672USRE36430EDevice for the transmission of digital data with at least two levels of protection and corresponding reception deviceETAT FRANCAIS TELEDIFFUSION DE·Filed 1995·Granted Dec 7, 1999·96 cites·18 claims
- 0763US6459744B1Multi-carrier symbol synchronizationFRANCE TELECOM TELEDIFFUSION D·Filed 1997·Granted Oct 1, 2002·60 cites·20 claims
- 0859US5329537AMethod of maximum likelihood decoding with sub-sampled decoding trellis, and corresponding decoding deviceFRANCE TELECOM·Filed 1993·Granted Jul 12, 1994·20 cites·10 claims
- 0944US8358990B2Method and device for transmitting a signal in a multi-antenna system, signal, and method for estimating the corresponding transmission channelsFRANCE TELECOM·Filed 2010·Granted Jan 22, 2013·0 cites·21 claims
- 1042US2015222332A1Method of Cooperative Emission, Signal, Source Entity, Relay Entity, Method of Reception, Destination Entity, System and Computer Program Corresponding TheretoCENTRE NAT RECH SCIENT·Filed 2013·Application pending·0 cites
- 1136US7447288B2Method for demodulating a signal integrating phase error effect and corresponding receiverFRANCE TELECOM·Filed 2002·Granted Nov 4, 2008·0 cites·20 claims
- 1223US10361897B2Peak-to-average power ratio reduction in a multi-carrier signalINSTITUT NAT DES SCIENCES APPLIQUEES INSA·Filed 2016·Granted Jul 23, 2019·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →